The air at the summit of Mount Everest, 29,029 feet is only a third as thick as the air at sea level.

An electric eel can produce a shock of up to 650 volts.

The Universe contains over 100 billion galaxies.

Each person sheds 40lbs of skin in his or her lifetime.

Each rubber molecule is made of 65,000 individual atoms.

An individual blood cell takes about 60 seconds to make a complete circuit of the body.

Even travelling at the speed of light it would take 2 million years to reach the nearest large galaxy, Andromeda.

It takes 8 minutes 17 seconds for light to travel from the Sun's surface to the Earth.